30 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis on HRCT ... disease comes from HRCT ... On HRCT there are ... patterns: reticular, nodular ... histiocytosis or honeycombing
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
The CXR demonstrates ... The HRCT demonstrates ... honeycombing and ... Clinical #Radiology #CXR ... #UIP #CTChest #
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... centrilobular nodules ... Sarcoidosis: nodules ... Clinical #Radiology #HRCT ... #CTChest #Nodular
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Bronchiectasis - Honeycombing ... on the basis of HRCT ... Radiology #Pulmonary #CTChest ... Diagram #Comparison #Honeycombing
Sarcoidosis
In this case the chest x-ray shows subtle findings that could be described as fine reticulation.
In
this case the chest ... In many cases a HRCT ... The HRCT - not shown ... Clinical #Radiology #CXR ... #Sarcoidosis #Nodular
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... Sarcoidosis: nodules ... histiocytosis: early nodular ... Clinical #Radiology #HRCT ... #CTChest #Nodular
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... Radiology #Pulmonary #HRCT ... #CTChest #NodularPattern ... #Differential #Algorithm
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
Perilymphatic nodules ... perilymphatic nodules ... and the nodular ... Radiology #Pulmonary #HRCT ... #CTChest #Perilymphatic
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
bronchiectasis, no honeycombing ... Clinical #Radiology #HRCT ... #CTChest #HighAttenuation
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Honeycombing 4. ... Clinical #Radiology #HRCT ... #CTChest #LowAttenuation